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Portable electronic appliance with a battery having a wireless tag containing battery information

  • US 7,352,152 B2
  • Filed: 04/01/2004
  • Issued: 04/01/2008
  • Est. Priority Date: 04/04/2003
  • Status: Expired due to Fees
First Claim
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1. A portable electronic appliance capable of using a battery as a power source, said appliance comprising:

  • a reading device which reads information about the battery stored in a wireless tag provided on the battery by non-contact communication with the wireless tag;

    an activating device which activates the wireless tag when said non-contact communication is started;

    a recognition device which recognizes the information about the battery read by said reading device;

    a writing device which writes information in said portable electronic appliance to the wireless tag;

    a warning display device which displays a battery remaining energy warning; and

    a warning generation device which generates battery remaining energy warning information according to the information recognized by said recognition device, and sends the generated information to said warning display device.

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